Warts are a common problem caused by contagious viruses. All warts come from direct or indirect contact with another wart. Each wart makes millions of viruses each day that can be passed to other people and cause warts.

Nail technicians may perpetuate the myth of diet-caused nail problems by encouraging clients with these complaints to take vitamin supplements to strengthen their nails. But nutrition is a much overrated factor in the nails’ condition.